/*
 * File    : DownloadManagerListener.java
 * Created : 29-Nov-2003
 * By      : parg
 * 
 * Azureus - a Java Bittorrent client
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details ( see the LICENSE file ).
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.gudy.azureus2.core3.download;

import org.gudy.azureus2.core3.disk.DiskManagerFileInfo;

/**
 * @author parg
 * 
 *         [Paper 2004/01/12] Added DownloadManager parameter to calls. This allows for one listener object to listen to many DownloadManagers
 */
public interface DownloadManagerListener {
    public void stateChanged(DownloadManager manager, int state);

    /**
     * Notification that we were downloading and the download has completed
     */
    public void downloadComplete(DownloadManager manager);

    /**
     * Notification that the completion state has changed. Tells you when we switched from Completed to Incompleted (or visa versa) Does not get
     * called when diskManager goes into CHECKING, but does when it goes out of CHECKING, to avoid torrents jumping momentarily from Completed to
     * Incompleted to Completed again.
     */
    public void completionChanged(DownloadManager manager, boolean bCompleted);

    public void positionChanged(DownloadManager download, int oldPosition, int newPosition);

    public void filePriorityChanged(DownloadManager download, DiskManagerFileInfo file);
}
